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प्रश्न
Match column A with column B.
|
Column A |
Column B |
|
(a) Element short by 1 electron in octet |
(i) Transition elements |
|
(b) Highly reactive metals |
(ii) Noble gases |
|
(c) Non-reactive elements |
(iii) Alkali metals |
|
(d) Elements of groups 3 to 12 |
(iv) Alkaline earth metals |
|
(e) Radioactive elements |
(v) Halogens |
|
(f) Elements with 2 electrons in the outermost orbit |
(vi)Actinides |
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उत्तर
|
Column A |
Answers |
|
(a) Element short by 1 electron in octet |
(v) Halogens |
|
(b) Highly reactive metals |
(iii) Alkali metals |
|
(c) Non-reactive elements |
(ii) Noble gases |
|
(d) Elements of Groups 3 to 12 |
(i) Transition elements |
|
(e) Radioactive elements |
(vi) Actinides |
|
(f) Elements with 2 electrons in the outermost orbit |
(iv) Alkali earth metals |
APPEARS IN
संबंधित प्रश्न
Write the name from the description.
The family of metals having valency two.
Write the name from the description.
Nonmetals in the third period.
Write a short note on the following type of element –
transition elements
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p1’then it will
occupy ______ block of the periodic table.
f-block elements are also known as ______.
What are the s-block elements?
Group 1 (except hydrogen) elements are called alkali metals.
d-block elements are called transition elements.
Group 3-12 elements in the modern periodic table are called d block elements.
Answer the following questions related to the modern periodic table.
How are elements placed around the zig-zag line in the p-block of the periodic table?
